removed c files that are no longer faster than the c++ ones

10 files changed, 2 insertions, 777 deletions

diff --git a/lib/cluster_finite.c b/lib/cluster_finite.c
deleted file mode 100644
index 2041df0..0000000
--- a/lib/cluster_finite.c
+++ /dev/null
@@ -1,112 +0,0 @@
-
-#include "cluster_finite.h"
-
-v_t flip_cluster_finite(state_finite_t *s, v_t v0, R_t rot_ind, gsl_rng *r) {
-  q_t *rot = s->transformations + s->q * s->involutions[rot_ind];
-  q_t *R_inv = symmetric_invert(s->q, s->R);
-  v_t nv = 0;
-
-  ll_t *stack = NULL;     // create a new stack
-  stack_push(&stack, v0); // push the initial vertex to the stack
-
-  bool *marks = (bool *)calloc(s->g->nv, sizeof(bool));
-
-  while (stack != NULL) {
-    v_t v = stack_pop(&stack);
-
-    if (!marks[v]) {
-      q_t s_old, s_new;
-      q_t *R_new, *R_inv_new; 
-      bool external_flipped;
-
-      marks[v] = true;
-
-      if (v == s->g->nv - 1) {
-        R_new = symmetric_compose(s->q, rot, s->R);
-        R_inv_new = symmetric_invert(s->q, R_new);
-        external_flipped = true;
-      } else {
-        s_old = s->spins[v];
-        s_new = symmetric_act(rot, s_old);
-        external_flipped = false;
-      }
-
-      v_t nn = s->g->v_i[v + 1] - s->g->v_i[v];
-
-      for (v_t i = 0; i < nn; i++) {
-        q_t sn, non_ghost;
-        double prob;
-        bool external_neighbor = false;
-
-        v_t vn = s->g->v_adj[s->g->v_i[v] + i];
-
-        if (vn == s->g->nv - 1) {
-          external_neighbor = true;
-          non_ghost = v;
-        } else {
-          sn = s->spins[vn];
-          non_ghost = vn;
-        }
-
-        if (external_flipped || external_neighbor) {
-          q_t rot_s_old, rot_s_new;
-
-          if (external_neighbor) {
-            rot_s_old = symmetric_act(R_inv, s_old);
-            rot_s_new = symmetric_act(R_inv, s_new);
-          } else {
-            rot_s_old = symmetric_act(R_inv, sn);
-            rot_s_new = symmetric_act(R_inv_new, sn);
-          }
-
-          prob = s->H_probs[rot_s_new * s->q + rot_s_old];
-
-          s->M[rot_s_old]--;
-          s->M[rot_s_new]++;
-
-          for (D_t i = 0; i < s->D; i++) {
-            L_t x = (non_ghost / (v_t)pow(s->L, s->D - i - 1)) % s->L;
-
-            s->ReF[s->D * i + rot_s_old] -= s->precomputed_cos[i];
-            s->ReF[s->D * i + rot_s_new] += s->precomputed_cos[i];
-
-            s->ImF[s->D * i + rot_s_old] -= s->precomputed_sin[i];
-            s->ImF[s->D * i + rot_s_new] += s->precomputed_sin[i];
-          }
-
-        } else {
-          q_t diff_old = s->bond_with_zero_type[s->transformations[s->q * s->transform_site_to_zero[sn] + s_old]];
-          q_t diff_new = s->bond_with_zero_type[s->transformations[s->q * s->transform_site_to_zero[sn] + s_new]];
-
-          prob = s->J_probs[diff_new * s->n_bond_types + diff_old];
-
-          s->B[diff_old]--;
-          s->B[diff_new]++;
-        }
-
-        if (gsl_rng_uniform(r) < prob) { // and with probability ps[e]...
-          stack_push(&stack, vn); // push the neighboring vertex to the stack
-        }
-      }
-
-      if (external_flipped) {
-        free(s->R);
-        free(R_inv);
-        s->R = R_new;
-        R_inv = R_inv_new;
-      } else {
-        s->spins[v] = s_new;
-      }
-
-      if (v != s->g->nv - 1) { // count the number of non-external sites that flip
-        nv++;
-      }
-    }
-  }
-
-  free(marks);
-  free(R_inv);
-
-  return nv;
-}
-
diff --git a/lib/cluster_finite.h b/lib/cluster_finite.h
deleted file mode 100644
index 117087e..0000000
--- a/lib/cluster_finite.h
+++ /dev/null
@@ -1,55 +0,0 @@
-
-#pragma once
-
-#include <assert.h>
-#include <fftw3.h>
-#include <float.h>
-#include <gsl/gsl_randist.h>
-#include <gsl/gsl_rng.h>
-#include <inttypes.h>
-#include <math.h>
-#include <stdbool.h>
-#include <string.h>
-#include <sys/types.h>
-
-#include "types.h"
-#include "rand.h"
-#include "stack.h"
-#include "convex.h"
-#include "graph.h"
-#include "tree.h"
-#include "measurement.h"
-#include "symmetric.h"
-#include "yule_walker.h"
-
-typedef struct {
-  D_t D;
-  L_t L;
-  v_t nv;
-  v_t ne;
-  graph_t *g;
-  q_t q;
-  R_t n_transformations;
-  q_t *transformations;
-  R_t n_involutions;
-  R_t *involutions;
-  R_t *transform_site_to_zero;
-  q_t n_bond_types;
-  q_t *bond_with_zero_type;
-  double T;
-  double *J;
-  double *H;
-  double *J_probs;
-  double *H_probs;
-  q_t *spins;
-  q_t *R;
-  v_t *B;
-  v_t *M;
-  double *ReF;
-  double *ImF;
-  double *precomputed_cos;
-  double *precomputed_sin;
-} state_finite_t;
-
-v_t flip_cluster_finite(state_finite_t *s, v_t v0, R_t rot, gsl_rng *r);
-
diff --git a/lib/dihedral.c b/lib/dihedral.c
deleted file mode 100644
index 8158b43..0000000
--- a/lib/dihedral.c
+++ /dev/null
@@ -1,55 +0,0 @@
-
-#include "dihedral.h"
-
-dihedral_t *dihedral_compose(q_t q, q_t g1i, const dihedral_t *g2) {
-  // we only need to consider the action of reflections
-  dihedral_t *g3 = (dihedral_t *)malloc(1 * sizeof(dihedral_t));
-
-  g3->r = !g2->r;
-  g3->i = (g1i + q - g2->i) % q;
-
-  return g3;
-}
-
-q_t dihedral_act(q_t q, q_t gi, bool r, q_t s) {
-  // we only need to consider the action of reflections
-
-  if (r) {
-    return (gi + q - s) % q;
-  } else {
-    return (gi + s) % q;
-  }
-}
-
-q_t dihedral_inverse_act(q_t q, const dihedral_t *g, q_t s) {
-  if (g->r) {
-    return (q - ((q + s - g->i) % q)) % q;
-  } else {
-    return (q + s - g->i) % q;
-  }
-}
-
-q_t *dihedral_gen_transformations(q_t q) {
-  q_t *transformations = (q_t *)malloc(2 * q * q * sizeof(q_t));
-
-  for (q_t i = 0; i < q; i++) {
-    for (q_t j = 0; j < q; j++) {
-      transformations[q * i + j] = dihedral_act(q, i, false, j);
-      transformations[q * q + q * i + j] = dihedral_act(q, i, true, j);
-    }
-  }
-
-  return transformations;
-}
-
-R_t *dihedral_gen_involutions(q_t q) {
-  R_t *transformations = (R_t *)malloc(q * sizeof(R_t));
-
-  for (q_t i = 0; i < q; i++) {
-    transformations[i] = q + i;
-  }
-
-  return transformations;
-}
-
-
diff --git a/lib/dihedral.h b/lib/dihedral.h
index f67c930..f547497 100644
--- a/lib/dihedral.h
+++ b/lib/dihedral.h
@@ -1,26 +1,8 @@
 
-#include <stdbool.h>
-#include <stdlib.h>
+#pragma once
 
 #include "types.h"
-
-typedef struct {
-  q_t i;
-  bool r;
-} dihedral_t;
-
-dihedral_t *dihedral_compose(q_t q, q_t gti, const dihedral_t *g2);
-
-q_t dihedral_act(q_t q, q_t gi, bool r, q_t s);
-
-q_t dihedral_inverse_act(q_t q, const dihedral_t *g, q_t s);
-
-q_t *dihedral_gen_transformations(q_t q);
-R_t *dihedral_gen_involutions(q_t q);
-
-R_t factorial(q_t);
-
-#ifdef __cplusplus
+#include "potts.h"
 
 template <class T, q_t q>
 struct dihedral2_t { bool is_reflection; T x; };
@@ -95,5 +77,3 @@ dihedral2_t<q_t, q> act_inverse(dihedral2_t<q_t,q> r1, dihedral2_t<q_t,q> r2) {
   return r3;
 }
 
-#endif
-
diff --git a/lib/dihinf.c b/lib/dihinf.c
deleted file mode 100644
index 4f88a7a..0000000
--- a/lib/dihinf.c
+++ /dev/null
@@ -1,28 +0,0 @@
-
-#include "dihinf.h"
-
-dihinf_t *dihinf_compose(h_t g1i, const dihinf_t *g2) {
-  // we only need to consider the action of reflections
-  dihinf_t *g3 = (dihinf_t *)malloc(1 * sizeof(dihinf_t));
-
-  g3->r = !g2->r;
-  g3->i = g1i - g2->i;
-
-  return g3;
-}
-
-h_t dihinf_act(h_t gi, h_t s) {
-  // we only need to consider the action of reflections
-
-  return gi - s;
-}
-
-h_t dihinf_inverse_act(const dihinf_t *g, h_t s) {
-  if (g->r) {
-    return g->i - s;
-  } else {
-    return s - g->i;
-  }
-}
-
-
diff --git a/lib/dihinf.h b/lib/dihinf.h
deleted file mode 100644
index 2bc7dc2..0000000
--- a/lib/dihinf.h
+++ /dev/null
@@ -1,17 +0,0 @@
-
-#include <stdbool.h>
-#include <stdlib.h>
-
-#include "types.h"
-
-typedef struct {
-  h_t i;
-  bool r;
-} dihinf_t;
-
-dihinf_t *dihinf_compose(h_t gti, const dihinf_t *g2);
-
-h_t dihinf_act(h_t gi, h_t s);
-
-h_t dihinf_inverse_act(const dihinf_t *g, h_t s);
-
diff --git a/lib/initial_finite.c b/lib/initial_finite.c
deleted file mode 100644
index 59e7ec4..0000000
--- a/lib/initial_finite.c
+++ /dev/null
@@ -1,372 +0,0 @@
-
-#include "initial_finite.h"
-
-double *precompute_cos(L_t L) {
-  double *x = (double *)malloc(L * sizeof(double));
-  for (L_t i = 0; i < L; i++) {
-    x[i] = cos(2 * M_PI * (double)i / (double)L);
-  }
-
-  return x;
-}
-
-double *precompute_sin(L_t L) {
-  double *x = (double *)malloc(L * sizeof(double));
-  for (L_t i = 0; i < L; i++) {
-    x[i] = sin(2 * M_PI * (double)i / (double)L);
-  }
-
-  return x;
-}
-
-double *Jprobs_from_J(q_t q, double T, double *J) {
-  double *J_probs = (double *)calloc(pow(q, 2), sizeof(double));
-
-  for (q_t i = 0; i < q; i++) {
-    for (q_t j = 0; j < q; j++) {
-      J_probs[q * i + j] = 1.0 - exp((J[i] - J[j]) / T);
-    }
-  }
-
-  return J_probs;
-}
-
-q_t *initialize_R(q_t q) {
-  q_t *R = (q_t *)malloc(q * sizeof(q_t));
-
-  for (q_t i = 0; i < q; i++) {
-    R[i] = i;
-  }
-
-  return R;
-}
-
-R_t *transformation_bringing_to_zero(q_t q, R_t n_transformations, q_t *transformations) {
-  R_t *destination = (R_t *)malloc(q * sizeof(R_t));
-
-  for (q_t i = 0; i < q; i++) {
-    for (R_t j = 0; j < n_transformations; j++) {
-      if (transformations[q * j + i] == 0) {
-        destination[i] = j;
-      }
-    }
-  }
-
-  return destination;
-}
-
-R_t find_involutions(R_t *destination, q_t q, R_t n_transformations, q_t *transformations) {
-  R_t n_involutions = 0;
-
-  for (R_t i = 1; i < n_transformations; i++) {
-    bool is_involution = true;
-    for (q_t j = 0; j < q; j++) {
-      if (j != transformations[q * i + transformations[q * i + j]]) {
-        is_involution = false;
-        break;
-      }
-    }
-    if (is_involution) {
-      destination[n_involutions] = i;
-      n_involutions++;
-    }
-  }
-
-  return n_involutions;
-}
-
-state_finite_t *initial_finite_prepare_ising(D_t D, L_t L, double T, double *H) {
-  state_finite_t *s = (state_finite_t *)calloc(1, sizeof(state_finite_t));
-
-  s->D = D;
-  s->L = L;
-
-  {
-    graph_t *g = graph_create_square(D, L);
-    s->nv = g->nv;
-    s->ne = g->ne;
-    s->g = graph_add_ext(g);
-    graph_free(g);
-  }
-
-  s->q = 2;
-
-  s->n_transformations = 2;
-  s->transformations = (q_t *)malloc(2 * 2 * sizeof(q_t));
-  s->transformations[0] = 0;
-  s->transformations[1] = 1;
-  s->transformations[2] = 1;
-  s->transformations[3] = 0;
-
-  s->n_involutions = 1;
-  s->involutions = (R_t *)malloc(1 * sizeof(R_t));
-  s->involutions[0] = 1;
-
-  s->transform_site_to_zero = (R_t *)malloc(2 * sizeof(R_t));
-  s->transform_site_to_zero[0] = 0;
-  s->transform_site_to_zero[1] = 1;
-
-  s->n_bond_types = 2;
-  s->bond_with_zero_type = (q_t *)malloc(2 * sizeof(q_t));
-  s->bond_with_zero_type[0] = 0;
-  s->bond_with_zero_type[1] = 1;
-
-  s->T = T;
-  s->J = (double *)malloc(2 * sizeof(double)); 
-  s->J[0] = 1.0;
-  s->J[1] = -1.0;
-  s->H = (double *)malloc(2 * sizeof(double)); 
-  s->H[0] = H[0];
-  s->H[1] = -H[0];
-
-  s->J_probs = Jprobs_from_J(2, T, s->J);
-  s->H_probs = Jprobs_from_J(2, T, s->H);
-
-  s->spins = (q_t *)calloc(s->nv, sizeof(q_t));
-  s->R = initialize_R(2);
-
-  s->M = (v_t *)calloc(2, sizeof(v_t));
-  s->M[0] = s->nv; // everyone starts in state 0, remember?
-  s->B = (v_t *)calloc(2, sizeof(v_t));
-  s->B[0] = s->ne;
-
-  s->ReF = (double *)calloc(D * 2, sizeof(double));
-  s->ImF = (double *)calloc(D * 2, sizeof(double));
-
-
-  s->precomputed_cos = precompute_cos(L);
-  s->precomputed_sin = precompute_sin(L);
-
-  return s;
-}
-
-state_finite_t *initial_finite_prepare_potts(D_t D, L_t L, q_t q, double T, double *H) {
-  state_finite_t *s = (state_finite_t *)calloc(1, sizeof(state_finite_t));
-
-  s->D = D;
-  s->L = L;
-
-  {
-    graph_t *g = graph_create_square(D, L);
-    s->nv = g->nv;
-    s->ne = g->ne;
-    s->g = graph_add_ext(g);
-    graph_free(g);
-  }
-
-  s->q = q;
-  s->n_transformations = factorial(q);
-  s->transformations = symmetric_gen_transformations(q);
-  s->involutions = (R_t *)malloc(s->n_transformations * sizeof(R_t));
-  s->n_involutions = find_involutions(s->involutions, q, s->n_transformations, s->transformations);
-
-  s->transform_site_to_zero = transformation_bringing_to_zero(q, s->n_transformations, s->transformations);
-
-  s->n_bond_types = 2;
-
-  s->bond_with_zero_type = (q_t *)malloc(q * sizeof(q_t));
-
-  s->bond_with_zero_type[0] = 0;
-
-  for (q_t i = 1; i < q; i++) {
-    s->bond_with_zero_type[i] = 1;
-  }
-
-  s->T = T;
-  s->J = (double *)calloc(2, sizeof(double)); 
-  s->J[0] = 1.0;
-  s->J[1] = 0.0;
-
-  s->H = (double *)malloc(q * sizeof(double)); 
-  for (q_t i = 0; i < q; i++) {
-    s->H[i] = H[i];
-  }
-
-  s->J_probs = Jprobs_from_J(s->n_bond_types, T, s->J);
-  s->H_probs = Jprobs_from_J(q, T, s->H);
-
-  s->spins = (q_t *)calloc(s->nv, sizeof(q_t));
-  s->R = initialize_R(q);
-
-  s->M = (v_t *)calloc(q, sizeof(v_t));
-  s->M[0] = s->nv; // everyone starts in state 0, remember?
-  s->B = (v_t *)calloc(s->n_bond_types, sizeof(v_t));
-  s->B[0] = s->ne; // everyone starts in state 0, remember?
-
-  s->ReF = (double *)calloc(D * q, sizeof(double));
-  s->ImF = (double *)calloc(D * q, sizeof(double));
-
-  s->precomputed_cos = precompute_cos(L);
-  s->precomputed_sin = precompute_sin(L);
-
-  return s;
-}
-
-state_finite_t *initial_finite_prepare_clock(D_t D, L_t L, q_t q, double T, double *H) {
-  state_finite_t *s = (state_finite_t *)calloc(1, sizeof(state_finite_t));
-
-  s->D = D;
-  s->L = L;
-
-  {
-    graph_t *g = graph_create_square(D, L);
-    s->nv = g->nv;
-    s->ne = g->ne;
-    s->g = graph_add_ext(g);
-    graph_free(g);
-  }
-
-  s->q = q;
-
-  s->n_transformations = 2 * q;
-  s->transformations = dihedral_gen_transformations(q);
-  s->n_involutions = q;
-  s->involutions = dihedral_gen_involutions(q);
-
-  s->transform_site_to_zero = transformation_bringing_to_zero(q, s->n_transformations, s->transformations);
-  s->bond_with_zero_type = malloc(q * sizeof(q_t));
-
-  s->n_bond_types = q / 2 + 1;
-
-  for (q_t i = 0; i < q / 2 + 1; i++) {
-    s->bond_with_zero_type[i] = i;
-  }
-
-  for (q_t i = 1; i < (q + 1) / 2; i++) { 
-    s->bond_with_zero_type[q - i] = i;
-  }
-
-
-  s->T = T;
-  s->J = (double *)malloc(s->n_bond_types * sizeof(double)); 
-
-  for (q_t i = 0; i < s->n_bond_types; i++) {
-    s->J[i] = cos(2 * M_PI * i / ((double)q));
-  }
-
-
-  s->H = (double *)malloc(q * sizeof(double)); 
-  for (q_t i = 0; i < q; i++) {
-    s->H[i] = H[i];
-  }
-
-  s->J_probs = Jprobs_from_J(s->n_bond_types, T, s->J);
-  s->H_probs = Jprobs_from_J(q, T, s->H);
-
-  s->spins = (q_t *)calloc(s->nv, sizeof(q_t));
-  s->R = initialize_R(q);
-
-  s->M = (v_t *)calloc(q, sizeof(v_t));
-  s->M[0] = s->nv; // everyone starts in state 0, remember?
-  s->B = (v_t *)calloc(s->n_bond_types, sizeof(v_t));
-  s->B[0] = s->ne; // everyone starts in state 0, remember?
-
-  s->ReF = (double *)calloc(D * q, sizeof(double));
-  s->ImF = (double *)calloc(D * q, sizeof(double));
-
-  s->precomputed_cos = precompute_cos(L);
-  s->precomputed_sin = precompute_sin(L);
-
-  return s;
-}
-
-state_finite_t *initial_finite_prepare_dgm(D_t D, L_t L, q_t q, double T, double *H) {
-  state_finite_t *s = (state_finite_t *)calloc(1, sizeof(state_finite_t));
-
-  s->D = D;
-  s->L = L;
-
-  {
-    graph_t *g = graph_create_square(D, L);
-    s->nv = g->nv;
-    s->ne = g->ne;
-    s->g = graph_add_ext(g);
-    graph_free(g);
-  }
-
-  s->q = q;
-
-  s->n_transformations = 2 * q;
-  s->transformations = dihedral_gen_transformations(q);
-  s->n_involutions = q;
-  s->involutions = dihedral_gen_involutions(q);
-
-  s->transform_site_to_zero = transformation_bringing_to_zero(q, s->n_transformations, s->transformations);
-  s->bond_with_zero_type = malloc(q * sizeof(q_t));
-
-  s->n_bond_types = q / 2 + 1;
-
-  for (q_t i = 0; i < q / 2 + 1; i++) {
-    s->bond_with_zero_type[i] = i;
-  }
-
-  for (q_t i = 1; i < (q + 1) / 2; i++) { 
-    s->bond_with_zero_type[(int)q - (int)i] = i;
-  }
-
-  s->T = T;
-  s->J = (double *)malloc(s->n_bond_types * sizeof(double)); 
-
-  for (q_t i = 0; i < s->n_bond_types; i++) {
-    s->J[i] = -pow(i, 2);
-  }
-
-  s->H = (double *)malloc(q * sizeof(double)); 
-  for (q_t i = 0; i < q; i++) {
-    s->H[i] = H[i];
-  }
-
-  s->J_probs = Jprobs_from_J(s->n_bond_types, T, s->J);
-  s->H_probs = Jprobs_from_J(q, T, s->H);
-
-  s->spins = (q_t *)calloc(s->nv, sizeof(q_t));
-  s->R = initialize_R(q);
-
-  s->M = (v_t *)calloc(q, sizeof(v_t));
-  s->M[0] = s->nv; // everyone starts in state 0, remember?
-  s->B = (v_t *)calloc(s->n_bond_types, sizeof(v_t));
-  s->B[0] = s->nv; // everyone starts in state 0, remember?
-
-  s->ReF = (double *)calloc(D * q, sizeof(double));
-  s->ImF = (double *)calloc(D * q, sizeof(double));
-
-  s->precomputed_cos = precompute_cos(L);
-  s->precomputed_sin = precompute_sin(L);
-
-  return s;
-}
-
-double state_finite_energy(state_finite_t *s) {
-  double E = 0;
-
-  for (q_t i = 0; i < s->n_bond_types; i++) {
-    E += s->J[i] * s->B[i];
-  }
-  for (q_t i = 0; i < s->q; i++) {
-    E += s->H[i] * s->M[i];
-  }
-
-  return -E;
-}
-
-void state_finite_free(state_finite_t *s) {
-  graph_free(s->g);
-  free(s->J);
-  free(s->H);
-  free(s->J_probs);
-  free(s->H_probs);
-  free(s->spins);
-  free(s->R);
-  free(s->M);
-  free(s->B);
-  free(s->transformations);
-  free(s->involutions);
-  free(s->transform_site_to_zero);
-  free(s->bond_with_zero_type);
-  free(s->ReF);
-  free(s->ImF);
-  free(s->precomputed_cos);
-  free(s->precomputed_sin);
-  free(s);
-}
-
diff --git a/lib/initial_finite.h b/lib/initial_finite.h
deleted file mode 100644
index 542f923..0000000
--- a/lib/initial_finite.h
+++ /dev/null
@@ -1,27 +0,0 @@
-
-#pragma once
-
-#include <stdbool.h>
-
-#include "types.h"
-#include "dihedral.h"
-#include "cluster_finite.h"
-
-static char *finite_model_t_strings[] = {"ISING", "POTTS", "CLOCK", "DGM"};
-
-typedef enum {
-  ISING,
-  POTTS,
-  CLOCK,
-  DGM
-} finite_model_t;
-
-state_finite_t *initial_finite_prepare_ising(D_t D, L_t L, double T, double *H);
-state_finite_t *initial_finite_prepare_potts(D_t D, L_t L, q_t q, double T, double *H);
-state_finite_t *initial_finite_prepare_clock(D_t D, L_t L, q_t q, double T, double *H);
-state_finite_t *initial_finite_prepare_dgm(D_t D, L_t L, q_t q, double T, double *H);
-
-void state_finite_free(state_finite_t *s);
-
-double state_finite_energy(state_finite_t *s);
-
diff --git a/lib/symmetric.c b/lib/symmetric.c
deleted file mode 100644
index 4487538..0000000
--- a/lib/symmetric.c
+++ /dev/null
@@ -1,70 +0,0 @@
-
-#include "symmetric.h"
-
-q_t *symmetric_compose(q_t q, const q_t *g1, const q_t *g2) {
-  q_t *g3 = (q_t *)malloc(q * sizeof(q_t));
-
-  for (q_t i = 0; i < q; i++) {
-    g3[i] = g1[g2[i]];
-  }
-
-  return g3;
-}
-
-q_t symmetric_act(const q_t *g, q_t s) {
-  return g[s];
-}
-
-q_t *symmetric_invert(q_t q, const q_t *g) {
-  q_t *g_inv = (q_t *)malloc(q * sizeof(q_t));
-
-  for (q_t i = 0; i < q; i++) {
-    g_inv[g[i]] = i;
-  }
-
-  return g_inv;
-}
-
-void swap(q_t *q1, q_t *q2) {
-  q_t temp = *q1;
-  *q1 = *q2;
-  *q2 = temp;
-}
-
-R_t factorial(q_t q) {
-  if (q == 0) {
-    return 1;
-  } else {
-    return q * factorial(q - 1);
-  }
-}
-
-void permute(q_t *a, q_t l, q_t r, R_t pos, q_t *transformations) {
-  if (l == r - 1) {
-    for (q_t i = 0; i < r; i++) {
-      transformations[r * pos + i] = a[i];
-    }
-  } else {
-    for (q_t i = l; i < r; i++) {
-      swap((a+l), (a+i));
-      permute(a, l+1, r, pos + (i - l) * factorial(r - l - 1), transformations);
-      swap((a+l), (a+i));
-    }
-  }
-}
-
-q_t *symmetric_gen_transformations(q_t q) {
-  q_t *transformations = (q_t *)malloc(q * factorial(q) * sizeof(q_t));
-  q_t *tmp = (q_t *)malloc(q * sizeof(q_t));
-
-  for (q_t i = 0; i < q; i++) {
-    tmp[i] = i;
-  }
-
-  permute(tmp, 0, q, 0, transformations);
-
-  free(tmp);
-
-  return transformations;
-}
-
diff --git a/lib/symmetric.h b/lib/symmetric.h
index a73b403..41c8fb6 100644
--- a/lib/symmetric.h
+++ b/lib/symmetric.h
@@ -2,27 +2,9 @@
 #pragma once
 
 #include <stdlib.h>
-
 #include "types.h"
-
-#ifdef __cplusplus
 #include "potts.h"
-extern "C" {
-#endif
-
-q_t *symmetric_compose(q_t q, const q_t *g1, const q_t *g2);
-
-q_t symmetric_act(const q_t *g, q_t s);
-
-q_t *symmetric_invert(q_t q, const q_t *g);
-
-q_t *symmetric_gen_transformations(q_t q);
-
-#ifdef __cplusplus
-}
-#endif
 
-#ifdef __cplusplus
 template <q_t q>
 class symmetric_t {
   public:
@@ -100,5 +82,4 @@ symmetric_t<q> act_inverse(symmetric_t<q> r1, symmetric_t<q> r2) {
 
   return r3;
 }
-#endif